Since 2005
ScienceBiz.com offers links to websites related to biochemistry, reliability engineering, chemist, morality, medical physics, mechanical engineering, earth sciences, materials, astrophysics, nuclear, software, molecular and much more.
Listings
Telecommunications resources.
http://www.gbmarks.com/
Advice for wiring home phone lines and jacks with reference for wire color codes.
http://www.homephonewiring.com/
A collection of RF and microwave engineering material, including component vendor links, engineering software, conversions and formulas, and more.
http://www.rfcafe.com/
Information and education resource for rf, microwave, and wireless engineers. Includes application notes, data sheets, product directory, links and more.
http://www.rfglobalnet.com/
Archives of comp.dcom.telecom, as moderated by the illustrious Patrick Townson.
http://www.telecom-digest.org/
Collection of categorized telecommunication documents and links.
http://www.eXroads.com/